TI:am33xx: Add bootcount support to ti_am335x_common.h

Enable the bootcount driver for am335x in general.  We leave adding a
bootlimit and altbootcmd to the environment to the board ports.

Signed-off-by: Tom Rini <trini@ti.com>

drivers/bootcount/Makefile

@@ -10,6 +10,7 @@ COBJS-y				+= bootcount.o
 COBJS-$(CONFIG_AT91SAM9XE)	+= bootcount_at91.o
 COBJS-$(CONFIG_BLACKFIN)	+= bootcount_blackfin.o
 COBJS-$(CONFIG_SOC_DA8XX)	+= bootcount_davinci.o
+COBJS-$(CONFIG_AM33XX)		+= bootcount_davinci.o
 COBJS-$(CONFIG_BOOTCOUNT_RAM)	+= bootcount_ram.o
 
 COBJS	:= $(COBJS-y)

include/configs/ti_am335x_common.h

@@ -41,6 +41,13 @@
 #define CONFIG_MII			/* Required in net/eth.c */
 
 /*
+ * RTC related defines. To use bootcount you must set bootlimit in the
+ * environment to a non-zero value.
+ */
+#define CONFIG_BOOTCOUNT_LIMIT
+#define CONFIG_SYS_BOOTCOUNT_ADDR	0x44E3E000
+
+/*
  * SPL related defines.  The Public RAM memory map the ROM defines the
  * area between 0x402F0400 and 0x4030B800 as a download area and
  * 0x4030B800 to 0x4030CE00 as a public stack area.  The ROM also